Inventor
OBI KATSUHITO
JP6 patents
Patents
6 patentsUS5691512ANov 25, 1997
Position transducer, and method for eliminating noise therefrom
WACOM CO LTD60 citations93
US5763839AJun 9, 1998
Device and method for detecting position using electromagnetic induction without producing discrepancy caused by the residual induction voltage of the resonant circuit
WACOM CO LTD27 citations91
US5657011AAug 12, 1997
Sensor coil pattern and the coordinate input apparatus thereof
WACOM CO LTD31 citations91
US7911454B2Mar 22, 2011
Information processing apparatus, position detecting apparatus and sensing part for performing a detection operation
WACOM CO LTD4 citations61
US12169602B2Dec 17, 2024
Communication system and terminal apparatus
WACOM CO LTD0 citations51
US12334282B2Jun 17, 2025
Input device and input system
WACOM CO LTD0 citations49